How Much Can Solar Save in Rochester?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$157
Current Bill/mo
$156
Est. Lease + Battery
9.8 yrs
Payback Period
$30,864
25-Year Savings
What You're Paying Now
Without solar, here's what Ameren Illinois electricity will cost you over time at 6% annual rate increases.
Monthly Bill
$157
Annual Cost
$1,884
25-Year Cost (No Solar)
$103,365
Your Solar Investment
11.5 kW System
$33,350
$19,979
After All IL Incentives
DG Rebate ($300/kW)-$3,450
Illinois Shines RECs (lump sum, ~18 mo)-$9,921
With vs Without Solar in Rochester
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $157/mo | $202/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-69/mo |
| 5-Year Cost | $10,174 | $12,120 |
| 25-Year Cost | $103,365 | $72,501 |
| Rate Control | None — utility sets rates | Fixed at $0.10/kWh (avg.) for 15 years |
| Home Value Impact | None | +$15,000–$25,000 (tax-exempt) |
Your Solar Savings Over Time
Estimated 25-Year Total Savings
$30,864
Without Solar
With Solar
Year 1
$1,884
$2,707
Year 2Payback Year
$3,881
-$4,482
Year 5
$10,620
$3,887
Year 10
$24,833
$18,565
Year 15
$43,852
$34,495
Year 20
$69,304
$52,220
Year 25
$103,365
$72,501
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,884 | $2,707 | -$823 |
| Year 2Payback | $3,881 | -$4,482 | $8,363 |
| Year 3 | $5,998 | -$1,723 | $7,721 |
| Year 4 | $8,242 | $1,066 | $7,176 |
| Year 5 | $10,620 | $3,887 | $6,733 |
| Year 6 | $13,142 | $6,743 | $6,399 |
| Year 7 | $15,814 | $9,635 | $6,178 |
| Year 8 | $18,647 | $12,568 | $6,079 |
| Year 9 | $21,650 | $15,543 | $6,106 |
| Year 10 | $24,833 | $18,565 | $6,268 |
| Year 11 | $28,207 | $21,636 | $6,571 |
| Year 12 | $31,783 | $24,760 | $7,023 |
| Year 13 | $35,574 | $27,942 | $7,632 |
| Year 14 | $39,592 | $31,186 | $8,407 |
| Year 15 | $43,852 | $34,495 | $9,357 |
| Year 16 | $48,367 | $37,876 | $10,491 |
| Year 17 | $53,153 | $41,333 | $11,820 |
| Year 18 | $58,226 | $44,872 | $13,354 |
| Year 19 | $63,604 | $48,499 | $15,105 |
| Year 20 | $69,304 | $52,220 | $17,084 |
| Year 21 | $75,346 | $56,043 | $19,303 |
| Year 22 | $81,751 | $59,974 | $21,777 |
| Year 23 | $88,540 | $64,022 | $24,518 |
| Year 24 | $95,737 | $68,194 | $27,542 |
| Year 25 | $103,365 | $72,501 | $30,864 |
Start Saving in Rochester
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